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Robust methods for analyzing multivariate responses with application to time-course data
Kim, Ji Young - 2010
Data do not always obey the normality assumption, and outliers can have dramatic impacts on the quality of the least squares methods. We use Huber's loss function in developing robust methods for time-course multivariate responses. We use spline basis expansion of the time-varying regression...
Persistent link: https://www.econbiz.de/10009477900
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DIVERSIFICAÇÃO DA PRODUÇÃO E ACESSO A MERCADOS: ESTUDO DE CASO PARA A FRUTICULTURA IRRIGADA DO PÓLO PETROLINA-JUAZEIRO
Filho, Silvio Fernando Santana Oliveira; Costa, Ecio De … - 2008
Este trabalho realiza uma análise dos principais entraves à expansão das exportações na fruticultura irrigada do Pólo Petrolina-Juazeiro e propor políticas microeconômicas que viabilizem o desenvolvimento da atividade. A região apresenta excelentes condições de clima e solo para...
Persistent link: https://www.econbiz.de/10009446717
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Benefit Evaluation of the Country of Origin Labeling in Taiwan: Results from Auction Experiment
Chern, Wen S.; Chang, Chun-Yu - 2009
). Experimental auctions of Taiwan and China preserved olives as well as Taiwan, China and Vietnam oolong teas were conducted using ….13% for Taiwan products over their alternatives of China olives, China oolong tea, and Vietnam oolong tea, respectively. Based … on the CVM, the estimated premiums for Taiwan over China olives from a Logit model is 67%, and the premiums for Taiwan …
Persistent link: https://www.econbiz.de/10009444694
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Promoting formal urban agricultural based organisations in the Greater Accra Metropolitan Area of Ghana: what factors influence choice?
Egyir, Irene Susana - 2009
agricultural producer organisations
Persistent link: https://www.econbiz.de/10009444804
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Economic factors affecting obesity: an application in Italy
Cavaliere, Alessia; Banterle, A. - 2008
The World Health Organization has stated that obesity is spreading around the world like a “global epidemic”. In 2004 the percentage of obese people in the Italian population was 9%, but the trend s increasing in recent years. Focusing on this country, the purpose of the paper is to analyze...
Persistent link: https://www.econbiz.de/10009445739
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Natural Gas Prices Forecast Comparison--AEO vs. Natural Gas Markets
Wong-Parodi, Gabrielle; Lekov, Alex; Dale, Larry - 2008
This paper evaluates the accuracy of two methods to forecast natural gas prices: using the Energy Information Administration's ''Annual Energy Outlook'' forecasted price (AEO) and the ''Henry Hub'' compared to U.S. Wellhead futures price. A statistical analysis is performed to determine the...
Persistent link: https://www.econbiz.de/10009435573
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Status of European appliance standards
Turiel, I.; Lebot, B. - 2008
The European Community (EC) recently commissioned a study of the impact of potential appliance standards on electricity consumption in the twelve EC nations. This study looks at refrigerators, freezers, dishwashers, clothes washers, and clothes dryers. The impact of minimum efficiency standards...
Persistent link: https://www.econbiz.de/10009435833
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Insights into multivariate calibration using errors-in-variables modeling
Thomas, E.V. - 2009
A {ital q}-vector of responses, y, is related to a {ital p}-vector of explanatory variables, x, through a causal linear model. In analytical chemistry, y and x might represent the spectrum and associated set of constituent concentrations of a multicomponent sample which are related through...
Persistent link: https://www.econbiz.de/10009435935
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Forecasting urban highway travel for year 2005
Miaou, Shaw-Pin; Rathi, A.K.; Southworth, F.; Greene, D.L. - 2008
As part of a study aimed at estimating suburban highway needs for year 2005, models were developed for forecasting daily vehicle miles of travel (DVMT) for urban areas and its distribution by highway functional class, urban location, and urban area size. A regression model combining both time...
Persistent link: https://www.econbiz.de/10009435975
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Status of European appliance standards
Turiel, I.; Lebot, B. - 2008
The European Community (EC) recently commissioned a study of the impact of potential appliance standards on electricity consumption in the twelve EC nations. This study looks at refrigerators, freezers, dishwashers, clothes washers, and clothes dryers. The impact of minimum efficiency standards...
Persistent link: https://www.econbiz.de/10009436199